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1·A large of AC motor-driven fan and pump used in mining company.

在工矿企业中大量地使用以交流电动机驱动为主的风机、水泵等设备。

2·The variable frequency AC controller mounts directly on the AC motor.

变频空调控制器直接安装在交流电机。

3·The main spindle is driven by a variable frequency controlled AC motor.

主轴是由变频控制交流电机驱动。

4·Adopting digital control silicon deflector device when AC motor driving.

直流电机驱动采用全数字可控硅变流装置控制。

5·The principle of pure digital PWM of the three-phase AC motor is analyzed.

分析了三相交流电机全数字脉宽调制的原理。

6·The loss summation method is used for calculating output power of AC motor.

在测量传输功率较大的变频电动机的功率时，采用了损耗总和法进行计算。

7·The AC motor drive has been one of the important areas in automation research.

交流调速控制一直是自动化领域中一个重要研究方向。

8·AC motor drive which is used in the mine fan is serious in consumption and waste.

矿山风机中使用的交流电机驱动，其消耗与浪费非常严重。

9·The main drive system, I choose FANUC AC motor drive through the belt drive spindle.

对主传动系统，我选用FANUC AC电动机通过带传动驱动主轴。

10·PWM inverter AC motor bring the harmonic current, It pollute electric power systems.

PWM逆变器驱动电机时，对电源端产生谐波电流，给电力电网造成污染。